123271-31-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123271-31-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,2,7 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 123271-31:
(8*1)+(7*2)+(6*3)+(5*2)+(4*7)+(3*1)+(2*3)+(1*1)=88
88 % 10 = 8
So 123271-31-8 is a valid CAS Registry Number.